CN201561542U - Gas water heater having function of anti-freezing by electrically heating - Google Patents
Gas water heater having function of anti-freezing by electrically heating Download PDFInfo
- Publication number
- CN201561542U CN201561542U CN2009202640825U CN200920264082U CN201561542U CN 201561542 U CN201561542 U CN 201561542U CN 2009202640825 U CN2009202640825 U CN 2009202640825U CN 200920264082 U CN200920264082 U CN 200920264082U CN 201561542 U CN201561542 U CN 201561542U
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- CN
- China
- Prior art keywords
- water pipe
- freezing
- antifreeze relief
- antifreeze
- gas heater
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H15/00—Control of fluid heaters
- F24H15/10—Control of fluid heaters characterised by the purpose of the control
- F24H15/136—Defrosting or de-icing; Preventing freezing
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Pipe Accessories (AREA)
Abstract
A gas water heater having a function of anti-freezing by electrically heating comprises a water pipeline, a controller and a heat exchanger. The gas water heater is technically characterized in that the heater also comprises an anti-freezing decompression valve and an electric heating element, wherein the anti-freezing decompression valve comprises an anti-freezing decompression pipe, a guide rod, a spring, a sealing ring, an end cover and a piston; the piston is sealed with the inner side of a water inlet at the front end of the anti-freezing decompression pipe by the sealing ring; the end cover is provided with a through hole; the end cover is connected to the tail end of the anti-freezing decompression pipe; the spring is sleeved on the guide rod; one end of the guide rod is fastened with the piston while the other end thereof extends out from the through hole on the end cover; the anti-freezing decompression valve is communicated with the water pipeline through the water inlet of the anti-freezing decompression pipe; and the electric heating element is arranged on the outer wall of the water pipeline, is close to the anti-freezing decompression valve and is electrically connected with the controller. The gas water heater can efficiently prevent freezing and can avoid the water pipe being swelled and cracked.
Description
Technical field: the utility model relates to a kind of gas heater of charged heating and anti-freezing, and it is applicable to chimney flue type gas heater, balanced type gas heater, forced exhaust formula gas heater, force the antifreeze of water pipe in the gas heaters such as supply and exhaust formula gas heater.
Background technology: existing gas heater, when preventing that environment temperature is low in the gas heater water pipe in the heat exchanger because of the water freezing spalling in managing, existing technical scheme adopts a kind of in the above three kinds of antifreeze modes of electrical heating antifreezing, combustion gas heating and anti-freezing or the draining of manual drainage valve usually, antifreeze mode is often more single, after single defroster when ambient temperature is low on the gas heater lost efficacy, easily cause the gas heater inner water tube by bursting by freezing, cause to exist antifreezing effect relatively poor, the water pipe on the water pipe is easily risen defective such as splits.For overcoming these defectives, the gas heater of charged heating and anti-freezing is developed.
Summary of the invention: technical problem to be solved in the utility model is the gas heater that a kind of charged heating and anti-freezing will be provided, can be antifreeze effectively, and avoid water pipe on the water pipe to be risen and split.
The technical scheme that its technical problem that solves the utility model adopts is: it comprises water pipe, controller, heat exchanger, it also comprises antifreeze relief valve, electric heating element, described antifreeze relief valve comprises antifreeze relief tube, guide post, spring, sealing ring, end cap, piston, piston is by the inner seal of sealing ring and antifreeze relief tube front end water inlet, end cap is provided with through hole, end cap is connected in the end of antifreeze relief tube, spring housing is on guide post, guide post one end and piston are fastening, the through hole of the other end from end cap passes, antifreeze relief valve is communicated with water pipe by the water inlet of antifreeze relief tube, electric heating element is installed on the water pipe outer wall and close antifreeze relief valve, and electrically connects with controller.
Exothermic material is the PCT ceramic heating material in the described electric heating element.
Exothermic material is the resistance wire exothermic material in the described electric heating element.
Exothermic material is the carbon fiber heating material in the described electric heating element.
Heat exchanging water pipe's corner is equipped with antifreeze relief valve in the described water pipe.
Antifreeze relief valve is installed on the water inlet pipe in the described water pipe.
Antifreeze relief valve is installed on the outlet pipe in the described water pipe.
Described antifreeze relief tube front end is provided with step, and water pipe is communicated with antifreeze relief tube by step.
The utility model is compared the beneficial effect that is produced with background technology:
1, because the utility model adopts antifreeze relief valve, electric heating element, described antifreeze relief valve comprises antifreeze relief tube, guide post, spring, sealing ring, end cap, piston, piston is by the inner seal of sealing ring and antifreeze relief tube front end water inlet, end cap is provided with through hole, end cap is connected in the end of antifreeze relief tube, spring housing is on guide post, guide post one end and piston are fastening, the through hole of the other end from end cap passes, antifreeze relief valve is communicated with water pipe by the water inlet of antifreeze relief tube, electric heating element is installed on the water pipe outer wall and close antifreeze relief valve, and the structure that electrically connects with controller, so can be antifreeze effectively, avoid water pipe on the water pipe to be risen and split.
Description of drawings: Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the annexation enlarged diagram of antifreeze relief valve 2 and water pipe 1 among Fig. 1.
Fig. 3 is the antifreeze relief valve 2 of another kind of structure among Fig. 1 and the annexation enlarged diagram of water pipe 1.
The specific embodiment:
Embodiment one, referring to accompanying drawing 1, shown in the accompanying drawing 2, present embodiment comprises water pipe 1, antifreeze relief valve 2, magnetic valve 13, controller 14, heat exchanger 15, smoke exhaust pipe 16, electric heating element 18, controller 14 and magnetic valve 13, electric heating element 18 electrically connects, antifreeze relief valve 2 comprises antifreeze relief tube 4, guide post 7, spring 8, sealing ring 9, end cap 10, piston 17, piston 17 is by the inner seal of sealing ring 9 with antifreeze relief tube 4 front end water inlets 3, sealing ring 9 is enclosed within on the piston 17, the quantity of sealing ring 9 can be more than one, as one, two, three, four etc., end cap 10 is provided with through hole 12, end cap 10 is threadedly connected to the end of antifreeze relief tube 4, end cap 10 is provided with through hole 12, spring 8 is enclosed within on the guide post 7, spring 8 two ends respectively with the interior side contacts of piston 17 and end cap 10, guide post 7 one ends and piston 17 are fastening, the through hole 12 of the other end from end cap 10 passes, antifreeze relief valve 2 is communicated with water pipe 1 by the water inlet 3 of antifreeze relief tube 4, electric heating element 18 is installed on the water pipe 1 and is adjacent to tube wall simultaneously near antifreeze relief valve 2 places, and electrically connects with controller 14.
Exothermic material can be PCT ceramic heating material, resistance wire exothermic material or carbon fiber heating material in the electric heating element 18.Be installed on the water pipe 1 near antifreeze relief valve 2 places and be adjacent to tube wall simultaneously, as on the heat exchanging water pipe 11 near antifreeze relief valve 2, also can be installed on the water inlet pipe 5 near antifreeze relief valve 2, also can be installed on the outlet pipe 6 near antifreeze relief valve 2.
In the present embodiment, four antifreeze relief valves 2 are installed in respectively on heat exchanging water pipe 11 union elbow, water inlet pipe 5 and the outlet pipe 6, being with 9, four electric heating elements 18 of a sealing ring on the piston 17 is installed in respectively on heat exchanging water pipe 11, water inlet pipe 5, the outlet pipe 6 near antifreeze relief valve 2 places.
Antifreeze relief tube 4 sectional areas can less than, be equal to or greater than the sectional area of water pipe 1, in antifreeze relief tube 4, expand behind the water freezing in the antifreeze relief tube 4, when antifreeze relief tube 4 sectional areas during greater than the sectional area of water pipe 1, the better effects if of antifreeze pressure release, antifreeze relief tube 4 sectional areas are greater than the sectional area of water pipe 1 in the present embodiment.
Water heater is when normal the use, the pressure of running water acts on the end face of piston 17, the piston 17 that promotes in the antifreeze relief valve 2 moves to end cap 10 directions, compression spring 8 reaches the dynamic balance on piston 17 both sides, at this moment piston 17 is in poised state, the space that also has enough pistons 17 to move between piston 17 and close end cap 10 in the antifreeze relief tube 4.
When environment temperature is low, water freezing in heat exchanging water pipe 11 in the water pipe 1, water inlet pipe 5, the outlet pipe 6 solidifies, volume becomes big behind the water freezing, promote piston 17 extrusion springs 8, and move to the direction of end cap 10, the through hole 12 of air in the antifreeze relief tube 4 from end cap 10 discharged, the part ice cube enters in the antifreeze relief tube 4, reduced after the water freezing volumetric expansion ice cube greatly to the pressure of water pipe in the water pipe 1, when avoiding environment temperature low in the gas heater water pipe in the water pipe 1 because of the water freezing spalling in managing.
Use separately antifreeze relief valve 2 not need civil power, also do not need user's manual operations draining valve to discharge water, can be antifreeze effectively, avoid water pipe on the water pipe 1 to be risen and split.Having under the situation of civil power, also can use electric heating element 18 separately, it gives the water heating in the pipe indirectly by the heating tube wall, avoid water freezing to freeze.Antifreeze relief valve 2 and electric heating element 18 also can be worked simultaneously, and its antifreezing effect is better.
Embodiment two, and shown in accompanying drawing 1, accompanying drawing 3, antifreeze relief tube 4 front ends are provided with step 19, and water pipe 1 is communicated with antifreeze relief tube 4 by step 19.Other parts and annexation thereof in the present embodiment, the course of work, operation principle are identical with embodiment one, repeat no more here.
Claims (10)
1. the gas heater of a charged heating and anti-freezing, it comprises water pipe (1), controller (14), heat exchanger (15), it is characterized in that it also comprises antifreeze relief valve (2), electric heating element (18), described antifreeze relief valve (2) comprises antifreeze relief tube (4), guide post (7), spring (8), sealing ring (9), end cap (10), piston (17), piston (17) is by the inner seal of sealing ring (9) with antifreeze relief tube (4) front end water inlet (3), end cap (10) is provided with through hole (12), end cap (10) is connected in the end of antifreeze relief tube (4), spring (8) is enclosed within on the guide post (7), guide post (7) one ends and piston (17) are fastening, the through hole (12) of the other end from end cap (10) passes, antifreeze relief valve (2) is communicated with water pipe (1) by the water inlet (3) of antifreeze relief tube (4), electric heating element (18) is installed on water pipe (1) outer wall and close antifreeze relief valve (2), and electrically connects with controller (14).
2. the gas heater of charged heating and anti-freezing according to claim 1 is characterized in that exothermic material is the PCT ceramic heating material in the described electric heating element (18).
3. the gas heater of charged heating and anti-freezing according to claim 1 is characterized in that exothermic material is the resistance wire exothermic material in the described electric heating element (18).
4. the gas heater of charged heating and anti-freezing according to claim 1 is characterized in that exothermic material is the carbon fiber heating material in the described electric heating element (18).
5. according to the gas heater of each described charged heating and anti-freezing of claim 1～4, it is characterized in that the corner of heat exchanging water pipe (11) in the described water pipe (1) is equipped with antifreeze relief valve (2).
6. the gas heater of charged heating and anti-freezing according to claim 5 is characterized in that on the water inlet pipe (5) antifreeze relief valve (2) being installed in the described water pipe (1).
7. the gas heater of charged heating and anti-freezing according to claim 6 is characterized in that on the outlet pipe (6) antifreeze relief valve (2) being installed in the described water pipe (1).
8. gas heater frost valve according to claim 5 is characterized in that described antifreeze relief tube (4) front end is provided with step (19), and water pipe (1) is communicated with antifreeze relief tube (4) by step (19).
9. gas heater frost valve according to claim 6 is characterized in that described antifreeze relief tube (4) front end is provided with step (19), and water pipe (1) is communicated with antifreeze relief tube (4) by step (19).
10. gas heater frost valve according to claim 7 is characterized in that described antifreeze relief tube (4) front end is provided with step (19), and water pipe (1) is communicated with antifreeze relief tube (4) by step (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202640825U CN201561542U (en) | 2009-12-01 | 2009-12-01 | Gas water heater having function of anti-freezing by electrically heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202640825U CN201561542U (en) | 2009-12-01 | 2009-12-01 | Gas water heater having function of anti-freezing by electrically heating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201561542U true CN201561542U (en) | 2010-08-25 |
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ID=42626688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202640825U Expired - Fee Related CN201561542U (en) | 2009-12-01 | 2009-12-01 | Gas water heater having function of anti-freezing by electrically heating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201561542U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113847737A (en) * | 2020-06-28 | 2021-12-28 | 宁波方太厨具有限公司 | Anti-freezing water heater |
-
2009
- 2009-12-01 CN CN2009202640825U patent/CN201561542U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113847737A (en) * | 2020-06-28 | 2021-12-28 | 宁波方太厨具有限公司 | Anti-freezing water heater |
| CN113847737B (en) * | 2020-06-28 | 2022-11-08 | 宁波方太厨具有限公司 | Anti-freezing water heater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100825 Termination date: 20181201 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |